| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem in which whether an account balance is short or not has been unknown during purchasing in a shopping site.SOLUTION: In step S3, a CPU 21 is configured to acquire a purchase schedule amount transmitted from a shopping server 13. In step S6, the CPU 21 is configured to inquire an account balance of a bank based on payment account information 27d to acquire the account balance. In step S9, a determination is made whether a total sum exceeds the account balance, and in step S18, when receiving a balance short amount and the like, a process advances to step S19, in which the CPUs are configured to notify the balance short and the like. More specifically, the shopping server 13 is configured to notify in a Web page browsed by a user with a message "this purchasing might run short of a balance. Do you still continue shopping ?". |
